Quantifying Reliable Walking Activity with a Wearable Device in Aged Residential Care: How Many Days Are Enough?

Buckley, Christopher, Cavadino, Alana, Del Din, Silvia, Lord, Sue, Taylor, Lynne, Rochester, Lynn and Kerse, Ngaire (2020) Quantifying Reliable Walking Activity with a Wearable Device in Aged Residential Care: How Many Days Are Enough? Sensors, 20 (21). p. 6314. ISSN 1424-8220

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Official URL: https://doi.org/10.3390/s20216314

Abstract

Strong associations exist between quality of life and physical activity for those living in aged residential care (ARC). Suitable and reliable tools are required to quantify physical activity for descriptive and evaluative purposes. We calculated the number of days required for reliable walking outcomes indicative of physical activity in an ARC population using a trunk-worn device. ARC participants (n = 257) wore the device for up to 7 days. Reasons for data loss were also recorded. The volume, pattern, and variability of walking was calculated. For 197 participants who wore the device for at least 3 days, linear mixed models determined the impact of week structure and number of days required to achieve reliable outcomes, collectively and then stratified by care level. The average days recorded by the wearable device was 5.2 days. Day of the week did not impact walking activity. Depending on the outcome and level of care, 2–5 days was sufficient for reliable estimates. This study provides informative evidence for future studies aiming to use a wearable device located on the trunk to quantify physical activity walking out in the ARC population.

Item Type: Article
Uncontrolled Keywords: Aged residential care; wearables; accelerometer; dementia; reliability; physical activity
Subjects: B900 Others in Subjects allied to Medicine
C600 Sports Science
Department: Faculties > Health and Life Sciences > Sport, Exercise and Rehabilitation
Depositing User: Elena Carlaw
Date Deposited: 06 Nov 2020 10:46
Last Modified: 06 Nov 2020 11:00
URI: http://nrl.northumbria.ac.uk/id/eprint/44702

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